<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/param/test4" method="post">
  <input type="checkbox" name="hobby" value="football"> 足球
  <input type="checkbox" name="hobby" value="basketball"> 篮球
  <input type="checkbox" name="hobby" value="volleyball"> 排球 <br>
  <input type="submit" value="提交">
</form>
</body>
</html>